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A127085 as a simple table

n a(n)
2 1
3 3
4 15
5 85
6 531
7 3600
8 26266
9 205353
10 1716582
11 15321056
12 145819266
13 1477589301
14 15908557455
15 181553715486
16 2190398368254
17 27859946518796
18 372542199781464
19 5223365137285467
20 76597458027515272
21 1172078722366916586

[1,3,15,85,531,3600,26266,205353,1716582,15321056,
 145819266,1477589301,15908557455,181553715486,
 2190398368254,27859946518796,372542199781464,
 5223365137285467,76597458027515272,
 1172078722366916586]

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)